Home / 117,507.84-162,119.04-69,768.96

Finding the Fourth Proportional to 117,507.84, 162,119.04 and 69,768.96

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Solution

The fourth proportional to 117,507.84, 162,119.04 and 69,768.96 is: 96,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507.84 : 162,119.04 = 69,768.96 : x
  2. Step 2: Convert to fraction form
    117,507.84/162,119.04 = 69,768.96/x
  3. Step 3: Cross multiply
    117,507.84x = 162,119.04 × 69,768.96
  4. Step 4: Simplify right side
    117,507.84x = 11,310,876,817.00
  5. Step 5: Solve for x
    x = 11,310,876,817.00/117,507.84
  6. Step 6: Final answer
    x = 96,256.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.